allery75 ജീവനക്കാരിൽ 40 പേർക്ക് Java-യും 35 പേർക്ക് Python-ഉം അറിയാം. 10 പേർക്ക് ഇവ രണ്ടും അറിയില്ല. രണ്ടും അറിയാവുന്നവർ എത്ര?
A20
B10
C25
D15
Answer & Solution
Correct answer: B. 10
65-ന് കുറഞ്ഞത് ഒരു ഭാഷയെങ്കിലും അറിയാം, അതിനാൽ രണ്ടും = 40 + 35 - 65 = 10.
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